Tender making is an important part of bidding. Bidding documents can be divided into international bidding documents and domestic bidding documents according to the scope of bidding; According to the subject matter of bidding, it can be divided into three categories; Goods, projects and services.

Classification:

(1) can be divided into international bidding documents and domestic bidding documents according to the bidding scope. International bidding requires two versions, and the English version shall prevail according to international practice. Considering the foreign language level of enterprises in China, it is often stated in the tender that if there is any discrepancy between the Chinese and English versions, the Chinese version shall prevail.

(2) According to the tender target, it can be divided into three categories; Goods, projects and services. It can be further subdivided according to different specific themes. For example, engineering can be further divided into construction engineering, decoration engineering, water conservancy engineering, road engineering and chemical engineering. The bidding content of each specific project varies greatly. The same is true of bidding documents for goods, such as simple goods such as grain and oil; Complex commodities such as machine tools and computer networks. There are also great differences between tenders.